Bentazon methyl derivative

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

Caffeoylputrescine hydrochloride, 10mg

PAH Mixture I 7 Analytes, each 200µg/mL in toluene; units: 1x1.1mL Prod.no. Compound CAS.No. 0711.10 Naphthalene [91-20-3] 0712.11 1-Methylnaphthalene [90-12-0] 0713.11 2-Methylnaphtha